/* ==========================================================================
   p9r.xyz -- Mid-Century Modern Showroom
   Colors: Eggshell #F7F3E9, Charcoal #2D2D2D, Mustard #E8A93C,
           Teal Vintage #2A9D8F, Coral Pop #E76F51, Walnut #5C4033
   Fonts: DM Serif Display (display), Libre Franklin (body)
   ========================================================================== */

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Libre Franklin', sans-serif;
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.7;
    color: #2D2D2D;
    background-color: #F7F3E9;
    /* Faint marble-vein terrazzo texture */
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(92, 64, 51, 0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(92, 64, 51, 0.02) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(92, 64, 51, 0.015) 0%, transparent 40%);
}

/* --- Typography --- */
h1, h2, h3, blockquote {
    font-family: 'DM Serif Display', serif;
    font-weight: 400;
    letter-spacing: 0.01em;
}

h2 {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
}

/* --- Spring easing custom property --- */
:root {
    --spring-ease: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --eggshell: #F7F3E9;
    --charcoal: #2D2D2D;
    --mustard: #E8A93C;
    --teal: #2A9D8F;
    --coral: #E76F51;
    --walnut: #5C4033;
}

/* ==========================================================================
   HERO
   ========================================================================== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--eggshell);
}

.hero-container {
    text-align: center;
    width: 100%;
    padding: 2rem;
}

.wall-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.wall-panel--mustard {
    width: 70vw;
    height: 50vh;
    background-color: var(--mustard);
}

.hero-title {
    font-size: clamp(2.4rem, 5vw, 5rem);
    color: var(--charcoal);
    letter-spacing: 0.01em;
}

.hero-tagline {
    margin-top: 2rem;
    font-family: 'Libre Franklin', sans-serif;
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--walnut);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================================================
   SECTIONS (general)
   ========================================================================== */
.section {
    padding: 6rem 2rem;
    position: relative;
    overflow: hidden;
}

.section-container {
    max-width: 960px;
    margin: 0 auto;
}

.section-heading {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--eggshell);
}

.section-heading--charcoal {
    color: var(--charcoal);
}

/* --- Section backgrounds --- */
.section--eggshell {
    background-color: var(--eggshell);
}

.section--teal {
    background-color: var(--teal);
}

.section--coral {
    background-color: var(--coral);
}

/* --- Wall panels inside sections --- */
.wall-panel--teal {
    width: 60vw;
    max-width: 720px;
    padding: 2rem 2rem;
    background-color: rgba(42, 157, 143, 0.35);
    margin-bottom: 3rem;
}

.wall-panel--coral {
    width: 60vw;
    max-width: 720px;
    padding: 2rem 2rem;
    background-color: rgba(231, 111, 81, 0.35);
    margin-bottom: 3rem;
}

/* ==========================================================================
   GLASSMORPHIC CARDS
   ========================================================================== */
.glass-card {
    background: rgba(247, 243, 233, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--walnut);
    box-shadow: 4px 4px 0 rgba(92, 64, 51, 0.15);
    padding: 2rem 2.2rem;
    transition: transform 0.4s var(--spring-ease), box-shadow 0.4s var(--spring-ease);
}

.glass-card:hover {
    transform: scale(1.03) rotate(0deg) !important;
    box-shadow: 6px 6px 0 rgba(92, 64, 51, 0.2);
}

.glass-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--charcoal);
}

/* --- Card rotation variants --- */
.glass-card--rotate-neg {
    transform: rotate(-2deg);
}

.glass-card--rotate-pos {
    transform: rotate(1deg);
}

.glass-card--project {
    transform: rotate(var(--card-rotate, 0deg));
}

/* --- Card layouts --- */
.cards-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.cards-trio {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.card-title {
    font-family: 'DM Serif Display', serif;
    font-size: 1.3rem;
    color: var(--walnut);
    margin-bottom: 0.75rem;
}

/* ==========================================================================
   SHELF LINES
   ========================================================================== */
.shelf-line {
    width: 100%;
    height: 1px;
    background-color: var(--walnut);
    margin-top: 1.5rem;
}

/* ==========================================================================
   FEATURED QUOTE
   ========================================================================== */
.featured-quote {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.featured-quote p {
    font-family: 'DM Serif Display', serif;
    font-size: clamp(1.3rem, 2.5vw, 2rem);
    line-height: 1.5;
    color: var(--eggshell);
}

/* ==========================================================================
   SPRING-IN ANIMATION
   ========================================================================== */
.spring-in {
    opacity: 0;
    transform: translateY(40px) rotate(var(--card-rotate, 0deg));
    transition: opacity 0.6s ease, transform 0.6s var(--spring-ease);
}

.spring-in.visible {
    opacity: 1;
    transform: translateY(0) rotate(var(--card-rotate, 0deg));
}

/* Restore rotation for specifically rotated cards when visible */
.glass-card--rotate-neg.spring-in.visible {
    transform: translateY(0) rotate(-2deg);
}

.glass-card--rotate-pos.spring-in.visible {
    transform: translateY(0) rotate(1deg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
#footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--walnut);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-domain {
    font-family: 'DM Serif Display', serif;
    font-size: 1.2rem;
    color: var(--charcoal);
}

.footer-year {
    font-family: 'Libre Franklin', sans-serif;
    font-size: 0.9rem;
    color: var(--walnut);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-family: 'Libre Franklin', sans-serif;
    font-size: 0.9rem;
    color: var(--walnut);
    text-decoration: none;
    transition: color 0.3s var(--spring-ease);
}

.footer-links a:hover {
    color: var(--mustard);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .cards-row {
        grid-template-columns: 1fr;
    }

    .cards-trio {
        grid-template-columns: 1fr;
    }

    .wall-panel--mustard {
        width: 90vw;
        height: 40vh;
    }

    .wall-panel--teal,
    .wall-panel--coral {
        width: 90vw;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}